Web Search Using Small Cores: Quantifying the Price of Efficiency

Provided by: Microsoft
Topic: Hardware
Format: PDF
Computing is experiencing a paradigm shift in which computation and data migrates from clients to geographically distributed data centers. The commoditization of hardware, data center economies of scale, and Internet-scale workload growth all demand greater power efficiency to sustain scalability. Traditional enterprise workloads, which are typically memory and I/O bound, have been well served by Chip Multi-Processors (CMP) comprising of small, power-efficient cores. While small cores deliver performance-per-Watt efficiency for such data center workloads, small cores impact application quality-of-service robustness, flexibility, and reliability for emerging Internet-scale applications, which increasingly invoke computationally intensive kernels.

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